Rosemary was the younger sister of former US President John F Kennedy, and the third child of Joseph P Kennedy and Rose Fitzgerald, according to The Hollywood Reporter.
The film's story is based on a Black List spec script by first-timer Nick Yarborough, will chronicle the life of Rosemary, who spent a lifetime hidden from public view because of the political ambitions of her father, Joseph Kennedy.
"The movies about the Kennedy family are deservedly stormy affairs, but here's a story about the storms within all of us.
"This is why I am excited to tell this story, and to collaborate with Elisabeth, a fabulously talented actor," Batra said in a statement.
Richard Arlook, Allard Cantor, and Jarrod Murray will serve as the executive producers.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)